# Copyright (c) 2020 The FedVision Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os

__version__ = "0.1"
__basedir__ = os.path.dirname(os.path.abspath(__file__))
__logs_dir__ = os.path.abspath(os.path.join(__basedir__, os.path.pardir, "logs"))
__data_dir__ = os.path.abspath(os.path.join(__basedir__, os.path.pardir, "data"))

FEDVISION_DATA_BASE_ENV = "FEDVISION_DATA_BASE"


def get_data_dir():
    if FEDVISION_DATA_BASE_ENV in os.environ and os.path.exists(
        os.environ.get(FEDVISION_DATA_BASE_ENV)
    ):
        return os.path.abspath(os.environ.get(FEDVISION_DATA_BASE_ENV))
    else:
        return __data_dir__
